Freakiness is a term that describes something that is unusual or strange. Synonyms for freakiness include abnormality, eccentricity, oddity, quirkiness, strangeness, uniqueness, peculiarity, aberration, and singularity. Abnormality and aberration emphasize something that deviates from the norm. Eccentricity and quirkiness focus on a peculiar or unconventional behavior, whereas peculiarity and singularity emphasize the distinct or unusual quality of something. Strangeness and uniqueness refer to something that is different from what we generally experience or perceive. So, depending on the context and situation, you can use these synonyms for freakiness to describe something that is not ordinary or expected.